Hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  M 20  ·  M 21  ·  NGC 6514  ·  NGC 6531  ·  The star 4Sgr  ·  Trifid nebula
M20 Trifid Nebula and M21 Open Cluster, 



    
        

            Jeff Clayton
M20 Trifid Nebula and M21 Open Cluster
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M20 Trifid Nebula and M21 Open Cluster

Technical card

Imaging telescopes or lenses: Orion USA ED80T CF

Imaging cameras: QHY8L OSC

Mounts: Orion Atlas EQ-G

Focal reducers: Orion Field Flattener for Small Refractors

Software: StarTools64  ·  Nebulosity 3.1  ·  Photo Shop

Accessory: Orion Mini 50mm Guide Scope with Helical focuser mini 50mm guide scope


Dates:June 5, 2014

Frames: 15x300"

Integration: 1.2 hours

Avg. Moon age: 7.06 days

Avg. Moon phase: 46.53%


Basic astrometry details

Astrometry.net job: 408605

RA center: 18h 3' 3"

DEC center: -23° 1' 37"

Pixel scale: 3.358 arcsec/pixel

Orientation: -172.885 degrees

Field radius: 1.202 degrees


Resolution: 620x793

Description

Trying hard to not over process this. I hope it looks good

Comments

Sky plot

Sky plot

Histogram

M20 Trifid Nebula and M21 Open Cluster, 



    
        

            Jeff Clayton